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Removing trailing zeroes

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Top Forums Shell Programming and Scripting Removing trailing zeroes
# 1  
Old 02-25-2010
Code:
$ echo 1200,135.000000,12.30100,3212.3200,1.759403,1230,101.101010,100.000000 | awk -F"," -v OFS="," ' { for(i=0;NF-i++;){sub("[.]*0+ *$","",$i)};$1=$1 }1 '
12,135,12.301,3212.32,1.759403,123,101.10101,100



---------- Post updated at 10:51 PM ---------- Previous update was at 10:45 PM ----------

My sed and datpal's awk solution fail in this case

Code:
$ echo 1200.00200300 | sed "s/\.0\{1,\}//g"
1200200300
$ echo 1200.00200300 | awk '{ if ($0 ~ /\./){ sub("0*$","",$0); sub ("\.$","",$0);} print}'
1200.00200

Code:
$ echo 1200.00200300 | awk -F"," -v OFS="," ' { for(i=0;NF- i++;){sub("[.]*0+ *$","",$i)};$1=$1 }1 '
1200.002003

# 2  
Old 02-26-2010
Quote:
Originally Posted by anbu23
[CODE]$
---------- Post updated at 10:51 PM ---------- Previous update was at 10:45 PM ----------

[/COLOR]My sed and datpal's awk solution fail in this case

Code:
$ echo 1200.00200300 | sed "s/\.0\{1,\}//g"
1200200300
$ echo 1200.00200300 | awk '{ if ($0 ~ /\./){ sub("0*$","",$0); sub ("\.$","",$0);} print}'
1200.00200

Code:
$ echo 1200.00200300 | awk -F"," -v OFS="," ' { for(i=0;NF- i++;){sub("[.]*0+ *$","",$i)};$1=$1 }1 '
1200.002003


It works fine for me anbu23
Code:
 echo 1200.00200300 | awk '{ if ($0 ~ /\./){ sub("0*$","",$0); sub ("\.$","",$0);} print}'
1200.002003

In fact what u gave will break for whole numbers
Code:
 echo 100 | awk -F"," -v OFS="," ' { for(i=0;NF- i++;){sub("[.]*0+ *$","",$i)};$1=$1 }1 '
1

# 3  
Old 02-26-2010
Quote:
Originally Posted by daptal
It works fine for me anbu23
Code:
 echo 1200.00200300 | awk '{ if ($0 ~ /\./){ sub("0*$","",$0); sub ("\.$","",$0);} print}'
1200.002003

In fact what u gave will break for whole numbers
Code:
 echo 100 | awk -F"," -v OFS="," ' { for(i=0;NF- i++;){sub("[.]*0+ *$","",$i)};$1=$1 }1 '
1

I added a slash and it worked for me
Code:
$ echo 1200.00200300 | awk '{ if ($0 ~ /\./){ sub("0*$","",$0); sub ("\\.$","",$0);} print}'
1200.002003

You are right. My code will break for whole numbers. Here is the fixed code

Code:
echo 1200,135.000000,12.30100,3212.3200,1.759403,1230,101.101010,100.000000 | awk -F"," -v OFS="," ' { for(i=0;NF-i++;){ if($i ~ /[.]/){ sub("[.]*0+ *$","",$i) }}$1=$1}1'
1200,135,12.301,3212.32,1.759403,1230,101.10101,100

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